Hina got a job at a manufacturer that is a business partner of her father's company. The president, Nakata, was smitten by Hina's beauty and made her his secretary, subjecting her to daily sexual harassment. Hina dislikes the harassment and expresses her desire to quit the company, but her father advises her to endure it to maintain the business relationship with his company. However, one day, Hina reaches her limit and resists, resulting in her pantyhose being torn to shreds. This incident marks the beginning of the president's abnormal sexual predilections running wild.